--- title: Sort Order within Partition (Dataflow) description: Sort Order within Partition (DeduplicationPartitionOrder, formerly Deduplication Partition) decides which row a Partition deduplication keeps. --- [Skip to content](https://knowledge.bigenius-x.com/deduplication-partition-model-object#main-content) [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new?hsLang=en) [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal?hsLang=en) [![TRI\_Logo\_biGENIUS\_2020\_RGB\_s](https://knowledge.bigenius-x.com/hs-fs/hubfs/Marketing/TRI_Logo_biGENIUS_2020_RGB_s.png?width=150&height=42&name=TRI_Logo_biGENIUS_2020_RGB_s.png)](https://www.bigenius-x.com/) Open main navigation Close main navigation - [Contact us](https://knowledge.bigenius-x.com/kb-tickets/new) - [Go to Customer Portal](https://knowledge.bigenius-x.com/customer-portal) How can we help you? - There are no suggestions because the search field is empty. 1. [biGENIUS-X Knowledge Base](https://knowledge.bigenius-x.com/?hsLang=en) 2. [Generators](https://knowledge.bigenius-x.com/generators?hsLang=en) 3. [Properties](https://knowledge.bigenius-x.com/generators?hsLang=en#properties) # Sort Order within Partition (Dataflow) **Applies to** Platform: Microsoft SQL Server · Snowflake · Snowflake dbt · Databricks · Databricks dbt · Fabric Lakehouse · Fabric Warehouse · Oracle Sort Order within Partition (`DeduplicationPartitionOrder`, formerly Deduplication Partition) decides which row a `Partition` deduplication keeps. The deduplication view keeps the first row of each partition in this order. ### Prerequisites - [Deduplication Method](https://knowledge.bigenius-x.com/deduplication-method-model-object?hsLang=en) of the same dataflow is `Partition`. With another method, the sort order has no effect. ### Where to set it Set the property when you [edit a dataflow](https://knowledge.bigenius-x.com/edit-a-data-flow?hsLang=en). It is offered on the same model object types as Deduplication Method, except in the Microsoft SQL Server - Stage OpenQuery generator. ### Values and default The value is an ordered selection of terms of the model object, each with the direction `ASC` or `DESC`. The default is empty: the rows are then ordered by the partition terms in ascending order. ### Effect on generated output The selected terms become the `ORDER BY` of `ROW_NUMBER()` in the deduplication view, in the selected order. ### Example A Satellite of a Hub with two business keys, with the sort order `REMARKS` descending and `PHONE_NUMBER` ascending. The deduplication view on Microsoft SQL Server contains: ``` ROW_NUMBER() OVER ( PARTITION BY [BG_Source].[FK_..._FOREIGN_KEY_ENTITY], [BG_Source].[FK_..._FOREIGN_KEY_ID] ORDER BY [BG_Source].[REMARKS] DESC, [BG_Source].[PHONE_NUMBER] ASC) AS [BG_DeduplicationPartitionOrder] ``` Without a sort order, the `ORDER BY` repeats the partition terms in ascending order. ### Related articles - Reference: [Deduplication Method (Dataflow)](https://knowledge.bigenius-x.com/deduplication-method-model-object?hsLang=en) - See also: [Edit a Dataflow](https://knowledge.bigenius-x.com/edit-a-data-flow?hsLang=en) - [Getting started](https://knowledge.bigenius-x.com/getting-started?hsLang=en#main-content) - [Guidelines](https://knowledge.bigenius-x.com/getting-started?hsLang=en#guidelines) - [Start working](https://knowledge.bigenius-x.com/getting-started?hsLang=en#start-working) - [Account](https://knowledge.bigenius-x.com/getting-started?hsLang=en#account) - [General overview](https://knowledge.bigenius-x.com/general-overview?hsLang=en) - 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